Pear is a PHP extension and application library. It contains many useful classes. After php5.0 is installed, pear is not actually installed. The installation method is as follows:1. Double-click the go-pear.bat in the php Directory.2. enter some
Cache refers to the temporary file exchange zone. The computer puts the most commonly used files out of the memory and puts them in the cache temporarily, just like moving tools and materials onto the workbench, in this way, it is more convenient to
Echo is a PHP statement, print and print_r are functions, and the statement does not return values. The function can return values (even if it is not used)Print can only print values of simple type variables (such as int and string)Print_r can print
Generally, no mysql support is provided for personal free homepage space, that is, it is also very demanding, so it is important to find a good alternative!PHP file processing is very powerful, so it can be replaced by file access!(When there is no
Function Name: array_multi2singleOriginal Function: array array_multi2single (array)Function: store the values of a multi-dimensional array into a one-dimensional array without storing keys.Function array_multi2single ($ array){Static $ result_array
What is an array? When using PHP for development, you need to create many similar variables either early or late.Without many similar variables, you can store data as elements in an array.All elements in the array have their own IDs, so they can be
The following task is clear when the file submission page is generated: Save the submitted file content to the server.The following two methods are used to implement this function:1. Use PHP to save:We first define a file storage function fup ()
In the development process, you may encounter failure to obtain the output parameters of the MSSQL Stored Procedure. Many friends do not know what to do. This article will introduce in detail the implementation of the output Parameter Function of
Read. php (used to display related topic content) problem subject: Color = #993333> Include "connect. inc. php ";$ Query = "select * from guestbook where id =". $ theme_id;$ Res = mysql_query ($ query );$ Row = mysql_fetch_array ($ res );Echo $
Copy codeThe Code is as follows:// The automatic conversion character set supports array conversion.Function auto_charset ($ fContents, $ from = 'gbk', $ to = 'utf-8 '){$ From = strtoupper ($ from) = 'utf8 '? 'Utf-8': $ from;$ To = strtoupper ($ to)
To solve this problem, you must use onblur. The following code is not a project implementation code, but a simulation of the same function.Copy codeThe Code is as follows: . Aspx. cs:Copy codeThe Code is as follows:Using System;Using System.
Include performance Copy codeThe Code is as follows:Include ('include. php '); Of course, this method is not wrong, but it is slightly less efficient than the following method:Copy codeThe Code is as follows:Include (realpath (dirname (_ FILE _).
Starting from version 5.2, PHP provides native json_encode () and json_decode () functions. The former is used for encoding and the latter is used for decoding.I. json_encode ()This function is mainly used to convert arrays and objects to json
If we want to know who called a method? Debug_print_backtraceDebug_print_backtrace () can print out the call process of a page, from where to see clearly.However, this is a PHP5 proprietary function. Fortunately, it has been implemented in pear,Http:
1. Usage of ++ I (using a = ++ I, I = 2 as an example)Add the I value to 1 (that is, I = I + 1) and then assign it to variable a (that is, a = I ),The final a value is 3, and the I value is 3.So a = ++ I is equivalent to I = I + 1, a = I2. I ++
(Note that it is not a client jump using header, js, or other methods)Copy codeThe Code is as follows:Function server_transfer ($ dest){Global...; // list the variables on the current page or custom global variables you want to use on the new
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